<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>8 模板语法-指令</title>
    <script src="js/vue.global.js"></script>
</head>
<body>
<div id="app">
    <ul>
        <li v-for="n in evenNumbers">{{ n }}</li>
    </ul>
</div>

<script>
    const app = {
        data() {
            return {
                numbers: [ 1, 2, 3, 4, 5 ]
            }
        },
        computed: {
            evenNumbers() {
                return this.numbers.filter(number => number % 2 === 0)
            }
        }
    }

    Vue.createApp(app).mount('#app')
</script>
</body>
</html>